Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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What Is the Magnitude of the Particle's Acceleration When Velocity Is Zero?
- Ammar w
- · Replies 2 ·
How Can Friction Have Two Directions in Finding Tension?
- thoradicus
- · Replies 1 ·
What Is the Minimum Initial Velocity to Roll Up a Carpet?
- bobsmith601
- · Replies 3 ·
Magnetic Field at a point due to two parallel wires
- smithisize
- · Replies 3 ·
Finding tension of a swinging mass
- hongus
- · Replies 2 ·
Planar wave normally incident on dielectric boundary
- cfitzU2
- · Replies 1 ·
I have a problem where two stars are at a certain time r0 apart from
- assaftolko
- · Replies 7 ·
Resistors/Battery Circuit solving. Maybe superposition
- Kalookakoo
- · Replies 1 ·
Spring stretch for mass moving in circular path
- Lolagoeslala
- · Replies 7 ·
How Much Work is Done Moving an Object Against a Spring Force?
- pxp004
- · Replies 6 ·
Rigid Box and 3D Schrodinger equation
- budafeet57
- · Replies 5 ·
Centre of mass Momentum problem-Two blocks
- Tanya Sharma
- · Replies 15 ·
A 4.4kg block is pushed along the ceiling
- madelines
- · Replies 2 ·
Can a rope be perfectly horizontal during a tug-of-war?
- hydra03
- · Replies 2 ·
Calculating Power and Range of a Bullet
- daivinhtran
- · Replies 2 ·
Radial force on a particle with circular motion
- Lee333
- · Replies 3 ·
How Is Effective Weight Calculated in a Spinning Carnival Ride?
- Violagirl
- · Replies 3 ·
Moment of Inertia? Potential and Kinetic Energy? Anybody awake?
- riseofphoenix
- · Replies 3 ·
What is the Sign Convention for Work Done on a Gas in an Isothermal Expansion?
- ed2288
- · Replies 9 ·
Collision in two dimensions problems
- madlin
- · Replies 1 ·
Potential of a non-uniform charged rod
- AJDangles
- · Replies 5 ·
Determine Mass of object for no motion on ramp
- SinghTjay
- · Replies 1 ·
Finding the differential equation for a circuit
- ur5pointos2sl
- · Replies 2 ·
Time for a ball on string to travel around a pole.
- Nny
- · Replies 1 ·
Solve F=ma Concept: Urgent Help Needed! Where Did I Go Wrong?
- riseofphoenix
- · Replies 5 ·
Calculating Electricity Consumption: From KWhr to kW and Units
- rahuld.exe
- · Replies 1 ·
Finding the distance traveled using Newton's laws and kinematics
- whoareyou
- · Replies 9 ·
Can a Rocket Reach the Sound Barrier Without Breaking Internal Equipment?
- monikraw
- · Replies 3 ·
Maximum truck acceleration before toolbox slides
- kgianqu2
- · Replies 1 ·
How to calculate distance when there's a changing force?D:
- monikraw
- · Replies 2 ·
Why Do Different Sources Show Varying Electric Flux Equations?
- Jimmy84
- · Replies 3 ·
A strange kind of straight line kinematics with uniform acceleration.
- ZamielTheGrey
- · Replies 9 ·
Constant Velocity Challenge Problem
- physgal1576
- · Replies 17 ·
Speed of ice block on ramp with friction force
- monikraw
- · Replies 5 ·
Solving Box Motion with Applied Force
- uncensored188
- · Replies 13 ·
Why F = mγy² doesn't give the right velocity on Planet X
- Nano-Passion
- · Replies 8 ·
What is the velocity of a pendulum when impacted by another mass?
- TheFerruccio
- · Replies 3 ·
How Does Hitting a Wall Affect Kinetic Energy?
- pxp004
- · Replies 1 ·
A rotating container injected with a liquid
- rbwang1225
- · Replies 4 ·
What are the equations for calculating equivalent resistance in a circuit?
- rbwang1225
- · Replies 8 ·
What is the Image Height for a Converging Lens and Diverging Lens System?
- Incognitopad
- · Replies 12 ·
Problem regarding refraction of light question
- silvercrow
- · Replies 6 ·
Calculating the lifetime of a particle
- Takuza
- · Replies 1 ·
Max EMF in a Model AC Generator Coil
- mydoghenry
- · Replies 3 ·
Momentum of golf ball and basketball
- Delta Sheets
- · Replies 9 ·
Work Required for Adiabatic Compression
- chris_avfc
- · Replies 6 ·
Mechanic about wood block, friction and pulley
- stranger123
- · Replies 1 ·
Mechanism that causes tension and normal force?
- InertialRef
- · Replies 3 ·
Which Formulas Solve These Physics Problems?
- zoiberg137
- · Replies 1 ·
What Is the Angle Between Velocity Vector and Radius-Vector of Part A at 4RE?
- assaftolko
- · Replies 3 ·
Cylinder, sphere and box pulled by hanging mass
- revit
- · Replies 1 ·
Weight Distribution: Solving for Tension in a Hawser System
- lendav_rott
- · Replies 4 ·
Object thrown upward at 5 m/s from 12 feet high
- Physicshw
- · Replies 7 ·
A sled is being pulled accross horizontal, snow covered ground
- smaan
- · Replies 5 ·
Time and height in a freefall problem
- Glyper
- · Replies 12 ·
How Do You Solve Orbital Mechanics Problems Involving Central Forces?
- Otto31
- · Replies 1 ·
Forces of a wrecking ball against a wall at rest.
- physicalConst
- · Replies 3 ·
Calculating Time Dilation at Half the Speed of Light
- Naoki
- · Replies 7 ·
Finding kinetic energy after an elastic collision
- Delta Sheets
- · Replies 6 ·
How Do You Solve a Modified Atwood Machine Problem?
- kindor
- · Replies 1 ·
How Do You Determine the Direction of Rotation Using the Right-Hand Rule?
- BigJon
- · Replies 3 ·
What happens to the speed of charge carriers when going through a resistor
- ezadam
- · Replies 12 ·
Find acceleration vector of a car travelling on a circular path
- Phys121VIU
- · Replies 2 ·
Non-Uniform Distribution of Charge on a Rod
- mouzis
- · Replies 1 ·
Magnitude and angle of particle direction-
- physics131
- · Replies 1 ·
Velocities and momentum after explosions
- Delta Sheets
- · Replies 1 ·
Atoms of Julius Caesar in a Caesar Salad (seriously)
- ieatplaydo
- · Replies 1 ·
Inelastic Collision: Threshold Energy
- a.man
- · Replies 2 ·
Why Is My Calculated Velocity at the Swing's Apex Incorrect?
- ryho1092
- · Replies 3 ·
Cart rolling into sand vs gravel using work-energy theorem
- bdh2991
- · Replies 1 ·
Conservative forces and Mechanical Energy
- bjudia
- · Replies 1 ·
Tension of strings at different angles:
- mms05
- · Replies 7 ·
Pottery wheel, angular acceleration, and required speed
- SereneKi
- · Replies 1 ·
Solving Power Equation: Melting an Ice Cube
- dolpho
- · Replies 4 ·
Kinetic and Potential Energy with acceleration
- salthegemini
- · Replies 1 ·
How Does Centrifugal Force Compare to Gravity in Car Cornering Dynamics?
- lendav_rott
- · Replies 10 ·
Grade 11 Physics, Need resources
- mat1101
- · Replies 4 ·
Solve Kinematic Equations for Automobile Braking
- Physics 134
- · Replies 2 ·
Determining Orbital Period of a Planet
- polskamafia
- · Replies 3 ·
Kinematic Equations (Constant Acceleration)
- Physics 134
- · Replies 1 ·
Given Maximum Acceleration calculate angle θ where Fnet=0
- psychochef
- · Replies 3 ·
Tension in of string between two boxes with friction.
- psychochef
- · Replies 4 ·
Calculating Work Done by Friction in a Circular Track
- Treefolk
- · Replies 2 ·
Rank the velocities of the balls
- omc1
- · Replies 3 ·
Calculate Change in Momentum of 4.8 kg Mass Launched at 55°
- omc1
- · Replies 6 ·
Force in nonuniform circular motion with linearly increasing speed
- phyzz
- · Replies 34 ·
Two Blocks Connected by a Massless String Over a Pulley
- RadicalAlchmy
- · Replies 1 ·
Find B given distance and direction from vector A
- WinstonB
- · Replies 7 ·
Electrostatics questions, parallel plates, force, field
- skg94
- · Replies 6 ·
Baby caught after 15m fall: force, stopping distance and injury limits
- kadaj6
- · Replies 17 ·
Tension and ball of mass problem
- Dumbledore211
- · Replies 26 ·
Solving Work Needed to Pull Chain On Frictionless Table
- NasuSama
- · Replies 17 ·
Determining the speed of the bullet after a collision
- lendav_rott
- · Replies 2 ·
Calculating area of a parallelogram defined by 2 vectors
- WinstonB
- · Replies 3 ·
Force on pivot when a plank rotates from 60° to horizontal
- shivam jain
- · Replies 1 ·
What is the least amount of force needed to pull a board out from under a box?
- Toranc3
- · Replies 1 ·
Explosion of firecracker on pond
- omc1
- · Replies 10 ·
Thermodynamics/ideal gas question
- doctordiddy
- · Replies 7 ·
Conservation of angular momentum axis
- shivam jain
- · Replies 2 ·
Torque on a current carrying coil with an applied frictional force?
- discofmj
- · Replies 1 ·